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花椒毒酚,分析标准品,HPLC≥98%
MICROMAT I 聚四氟乙烯/硅树脂 平底 2/包装
2 ML 离心过滤器 CA 2
ASTM-THERMOMETER (SOLID STEM) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE: SAYBOLT VISCOS
CHROMATOGRAPHIC-COLUMNS, SIMPLE, ST-PTFE-STOPCOCK, SCREW-THREAD RETAINING NUT, FUSED-IN SINTERED G
2-氯苄溴
Frit PEEK Grn 2μm ?.188 x .065 x ?.250
气相色谱柱,TG-WAXMS A 15m x 0.53mm x 1μm
半微量比色皿, PMMA材质,最小检测体积1.5 ml
铁(Fe)标准溶液